Finding the Third Proportional to 666,130.50 and 987,714

Step by Step Solution

1. Step 1: Write the proportion equation
   666,130.50 : 987,714 = 987,714 : x
2. Step 2: Convert to fraction form
   666,130.50/987,714 = 987,714/x
3. Step 3: Cross multiply
   666,130.50x = 987,714 × 987,714
4. Step 4: Simplify right side
   666,130.50x = 975,578,945,796
5. Step 5: Solve for x
   x = 975,578,945,796/666,130.50
6. Step 6: Final answer
   x = 1,464,546.28